Abstract

Contamination of groundwater by methyl-tert-butyl ether (MTBE) poses increasing problems to water companies. Here we demonstrate the feasibility of using a cylindrical, supported-catalyst reactor for photocatalytic degradation of MTBE in water. It was shown that photocatalytic degradation of MTBE follows pseudo first-order kinetics. The maximum reaction rate constant observed was 0.47 hr−1. The reaction rate increases linearly with increasing light intensity. It was also found that the reaction rate is linearly proportional to the ratio of catalyst surface area to volume of reactor. Complete degradation of MTBE was reached with an excess supply of oxygen.

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